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Squeal coming from tail of 2006 4l60e 2wd

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Old 12-09-2009, 09:08 PM
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Question Squeal coming from tail of 2006 4l60e 2wd
What could this be? The squeal occurs in drive only and when under slight load only, such as accellerating normally. The squeal gets faster proportionally as speed increases. The truck shifts and drives fine. Is there a bearing or something in the tail that is about to fail? Can this be fixed without pulling the whole tranny? Thanks for any replies.
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Old 12-09-2009, 09:41 PM
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carrier bearing on driveshaft? it would be easy to rule out
i think they are more prone to clunking noises.
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Old 12-09-2009, 09:47 PM
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I disconnected the DS from the differential and am 100% sure it is coming from the tailhousing area of the transmission. Any ideas?
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Old 12-09-2009, 09:52 PM
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I dunno, lol that was my guess.

http://forum.efilive.com/showthread.php?t=4304
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Old 12-09-2009, 10:10 PM
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Put some grease on the lip of the extension housing seal. Lemme know how that helps. Should take care of it.
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Old 12-09-2009, 10:11 PM
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I forgot to say, pull the driveshaft. The grease has to go on the sealing surface lip of the seal.
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Old 12-09-2009, 11:22 PM
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That wasn't it. It is pretty loud and metallic. What does a bad u joint sound like?
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Old 12-09-2009, 11:27 PM
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Originally Posted by CashDudeHomie
What does a bad u joint sound like?
Kind of a back-and-forth squeaking. Like noisy bedsprings being "overworked".
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Old 12-09-2009, 11:37 PM
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That's EXACTLY what it sounds like! I will replace the Ujoint and see what happens.
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Old 12-10-2009, 07:50 AM
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Some of the 06-07 models had problems with the speed sensor rubbing on the reluctor wheel. It would make a high pitched whine noise. You can removed the sensor to see if it goes away.
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